BLUE SEA SYSTEMS 600 Volt Max Rotary Switch 9009Manual transfer switch allows the selection between a generator or shore power for incoming AC electrical source. 30 amp rotary 2 pole ship-to-shore switch Switches between (2) 120 or 230 volt AC sources Compact solution when circuit protection is provided elsewhere Allows connecting one of two different AC sources to one circuit 14 AWG through 10 AWG wire size range Mounts in panels up to 0.16 in. thick Heavy duty industrial rated switch Simple one hand operation 30 Amps AC maximum amperage 600 VAC maximum voltage UL Listed 1.89 in. height x 1.89 in. width x 1.91 in. depth